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Departmental Switch Models DS-16B and DS-8B Web Tools User Guide
Glossary
include frame delimiters (which mark frame boundaries and describe
frame contents), primitive signals (indicate events), and primitive
sequences (indicate or initiate port states).
P
Participating mode Mode in which an L_Port in a loop has valid AL_PA and can
arbitrate, send frames, and retransmit received transmissions. See
also Non-participating mode.
Phantom device Device not physically in a loop but logically included by phantom
address.
Phantom address AL_PA value assigned to device not physically in loop. Also called
phantom AL_PA.
PLOGI Port Login. Port-to-port login process by which initiators establish
sessions with targets. See also FLOGI.
Point-to-point Two fibre channel devices connected by a direct link. See also
To p olo g y.
Port_Name Unique FC identifier for port, communicated during login and port
discovery.
POST Power On Self Test
. Series of self-tests run after a switch is rebooted
or reset
.
Private NL_Port NL_Port that does not log into the fabric and communicates only
with private NL_Ports in same loop.
Private device Device that supports arbitrated loop protocol and understands 8-bit
addresses, but cannot log into fabric.
Private loop An arbitrated loop with no fibre channel attachment.
Protocol A defined method and standards for communication.
Public NL_Port NL_Port that logs into the fabric, can function within public or
private loops, and can communicate with public or private NL_Ports.
Public device Device that supports arbitrated loop protocol, understands 8-bit
addresses, and can log into fabric.
Public loop An arbitrated loop attached to a switch.